Provide four examples, two from before the Great War and two from after the Great War, of how specific ideas from philosophy, physics, psychology or literature challenged the existing European intellectual ideas.

c. mass = force / accellaration

step-by-step explanation:

i think the answer is a and i hope this ; ))

united states reinforcements contributed greatly to three allied victories in france at: cantigny (first major american battle), argonne (the largest in the united states military history, involving 1.2 million american soldiers), and château-thierry (one of the first actions under general pershing).

answer; i believe the correct answer is benjamin harrison;